This study will examine the effect of Pioglitazone on (1) TIMP and TACE substrate activity in skeletal muscle and their relationship to insulin sensitivity and adipocytokines- resistin, TNF-α and Visfatin; (2) markers of inflammation and atherosclerosis- C-reactive protein, VCAM-1, ICAM-1, endothelin 1, E-selectin, P-selectin, TNFrecI, TNFrecII, IL-6 rec. Fifteen subjects will receive placebo and 15 will receive pioglitazone.